Topgunz - air to air upgrade

Originally Posted by TopgunZ So you were making almost 600whp but then that changed? Wierd. When did it change? Was it sudden or slowly get worse? This is a new

		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Forced Induction
Topgunz - air to air upgrade

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10-05-2018, 09:54 PM

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redondoaveb

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Quote:

Originally Posted by TopgunZ

So you were making almost 600whp but then that changed? Wierd. When did it change? Was it sudden or slowly get worse?

This is a new 91 tune. I was making 586 on e85 and 471 on 91 @13psi with just the 9 lb pulley, the 2.85 pulley and the Si wheel.

This set up is the 928 wheel, 2.85 sc pulley and 3.47 jackshaft pulley @ 14.4 psi. And I only gained 1.5 or so psi by adding the 928 wheel and the 3.47 jackshaft pulley.

More boost, loss of power. The way the power and torque drop off just doesn't look right.

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Last edited by redondoaveb; 10-05-2018 at 10:30 PM. Reason: Additional information

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